CN106354294B - Touch control display device - Google Patents

Touch control display device Download PDF

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Publication number
CN106354294B
CN106354294B CN201610080200.1A CN201610080200A CN106354294B CN 106354294 B CN106354294 B CN 106354294B CN 201610080200 A CN201610080200 A CN 201610080200A CN 106354294 B CN106354294 B CN 106354294B
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China
Prior art keywords
layer
touch control
insulating layer
display device
touching signals
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CN201610080200.1A
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Chinese (zh)
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CN106354294A (en
Inventor
蔡嘉豪
彭仁杰
张志豪
陈柏锋
刘同凯
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Innolux Corp
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Innolux Display Corp
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136213—Storage capacitors associated with the pixel electrode
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Position Input By Displaying (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The present invention provides a kind of touch control display devices comprising: a substrate；One thin-film transistor element is set on the substrate；One first insulating layer is set on the thin-film transistor element；One touching signals line layer is set on first insulating layer；One second insulating layer is set on the touching signals line layer；One first transparency conducting layer is set in the second insulating layer；One third insulating layer is set on first transparency conducting layer；And one second transparency conducting layer, it is set on the third insulating layer.

Description

Touch control display device
Technical field
The present invention relates to a kind of touch control display device, espespecially a kind of touch control display device of embedded touch.
Background technique
In recent years, with user-friendly for operation, simplicity development trend, the touch control display device with touch panel is got over To be more widely used in life.Since user can be by way of directly contacting touch panel with hand or other objects Input signal uses to decrease or even eliminate dependence of the user to other input equipments (such as keyboard, mouse, remote controler) The convenience of family operation is substantially improved.
Touch panel technology can be different towards distinguishing greatly by signal production principle, detection technology, screen assembling mode etc. three Type.Basis signal production principle is different, can divide into digital and analog: digital touching signals are using transparent ITO (Indium Tin Oxide；Indium tin oxide) conductive film, according to X, Y direction distribution wires on transparent conducting glass, Switch is formed at way interleave, just induction touching signal when pressing；And analog touch-control principle and it is digital the difference is that on Lower interlayer is equipped with and touches the signal that rear upper and lower level electrode is connected and generates potential difference every ball (dot spacer), then passes through circuit Signal is transmitted to controller, to handle and calculate the coordinate position of touch points.Furthermore if touch panel technology according to detection technology, Manufacturing technology and technology difference can divide into electric signal (comprising resistance-type, condenser type, electromagnetic type etc.), optical signal (includes Infrared-type etc.) and acoustical signal (including surface acoustic wave type, sound wave conduction, dispersion signal formula, ping formula etc.).
However, the touch panel technology of which kind of either aforementioned form will cause touch-control sense if touching signals line breaks It answers bad, and reduces touch-control quality.In view of this, developing a kind of touch control display device, touching signals line broken string can be reduced Risk, and then promoting touch-control qualification rate is one of current industry R&D direction.
Summary of the invention
The main object of the present invention is to provide a kind of touch control display device, other than it can avoid touching signals line broken string, Pixel electrode interelectrode storage capacitors together can more be combined.
Touch control display device of the invention includes: a substrate；One thin-film transistor element is set on the substrate；One first Insulating layer is set on the thin-film transistor element；One touching signals line layer is set on first insulating layer；One second insulating layer, On the touching signals line layer；One first transparency conducting layer is set in the second insulating layer；One third insulating layer, being set to should On first transparency conducting layer；And one second transparency conducting layer, it is set on the third insulating layer.
Implement in aspect in of the invention one, which includes a source drain layer, and this is first transparent Conductive layer can be electrically connected by a pixel electrode contact hole and the source drain layer.Meanwhile second transparency conducting layer can Including a touch control electrode and a common electrode, and the touch control electrode can pass through a touch control electrode contact hole and the touching signals line layer It is electrically connected.At this time, it is possible to provide electrode is in touch control display device upper and that pixel electrode is under altogether.
In in terms of another implementation of the invention, which includes a source drain layer, and this is second thoroughly Bright conductive layer can be electrically connected by a pixel electrode contact hole and the source drain layer.Meanwhile first transparency conducting layer It may include a touch control electrode and a common electrode, and the touch control electrode can pass through a touch control electrode contact hole and the touching signals line Layer is electrically connected.At this time, it is possible to provide a pixel electrode is in touch control display device upper and that common electrode is under.
In display panel provided by the present invention, either aforementioned common electrode is aobvious in touch-control upper and that pixel electrode is under Show panel or pixel electrode in touch-control display panel upper and that common electrode is under, due to being laminated with the above touching signals line layer Two insulating layers and third insulating layer, even if thering is particle to be attached on the touching signals line of touching signals line layer in technique, also not As for the situation for causing touching signals line to have broken string.In addition, in display panel provided by the present invention, no matter first thoroughly Bright conductive layer and the second transparency conducting layer whichever are as pixel electrode and common electrode, since two electrically conducting transparent interlayers are provided only with one Three insulating layers, therefore storage capacitors between the two will not be reduced because multilayer dielectric layer is arranged, and two transparency conducting layers can be maintained Between storage capacitors and electrical property each other.
Detailed description of the invention
Fig. 1 is the upper schematic diagram of touch control display device of the invention.
Fig. 2 is the diagrammatic cross-section of the touch control display device of one embodiment of the invention.
Fig. 3 is the diagrammatic cross-section of the touch control display device of a comparative example of the invention.
Fig. 4 is the diagrammatic cross-section of the touch control display device of another embodiment of the present invention.
Fig. 5 is the diagrammatic cross-section of the touch control display device of another comparative example of the invention.
Fig. 6 is the timing diagram for being applied to the signal of touch control display device of the invention.
Fig. 7 is the waveform for showing practical touching signals line and the signal in the touch control electrode being connected.
Fig. 8 is the wave of display touching signals line and the signal in the touch control electrode being connected when touching specific touch control electrode Shape.
[symbol description]
11 substrate, 12 thin-film transistor element
121 gate metal layer, 122 gate insulating layer
123 semiconductor layer, 124 source drain layer
13 first insulating layer, 131 insulating layer
132 flatness layer, 133 insulating layer
14 touching signals line, 15 second insulating layer
16 pixel electrode, 161 contact hole
17 third insulating layer, 18 second transparency conducting layer
181 touch control electrode pattern, 1811 touch control electrode contact hole
19 first transparency conducting layer, 1911 touch control electrode contact hole
20 pixel electrode, 201 pixel electrode contact hole
T1 thickness t2 thickness
S1~Sn touch control electrode T1~Tn signal
Specific embodiment
Illustrate embodiments of the present invention below by way of particular specific embodiment, those of ordinary skill in the art can be by this Other advantages and efficacy of the present invention can be easily understood for the revealed content of specification.The present invention can also pass through other different tools Body embodiment is implemented or is applied, and the various details in this specification also can be for different viewpoints and application, without departing substantially from this Various modifications and change are carried out under the spirit of invention.
Furthermore ordinal number used in specification and claim is for example " the first ", " the second ", " third " and etc. word, To modify the element of claim, itself and do not include and represent the request element have it is any before ordinal number, also do not represent The sequence or the sequence in manufacturing method of a certain request element and another request element, the use of those ordinal numbers are only used to make A request element with certain name is able to that clear differentiation can be made with another request element with identical name.
Fig. 1 is the upper schematic diagram of touch control display device of the invention.Touch control display device of the invention is a self-tolerant Embedded touch device, comprising: multiple touch control electrode patterns 181 and touching signals line 14, wherein each touch control electrode pattern 181 pass through touch control electrode with contact hole 1811 to be electrically connected with touching signals line 14.Signal T1, T2 are to Tn by touching signals line 14 are sent to touch control electrode pattern 181 by touch control electrode contact hole 1811, and a user touches touch control electrode pattern 181 Touching signals line is connected to touch control electrode pattern 181 and again by touch control electrode contact hole 1811 to provide touching signals 14；The signal intensity of front and back is touched by comparing user, and can determine whether the position that user touches.
Fig. 2 is the diagrammatic cross-section of the touch control display device of one embodiment of the invention.As shown in Fig. 2, in the present embodiment Touch control display device production method in, firstly, provide a substrate 11.Then, in one patterned grid of formation on substrate Pole metal layer 121；In forming a gate insulating layer 122 in gate metal layer 121 and substrate 11；In shape on gate insulating layer 122 At a patterned semiconductor layer 123, wherein semiconductor layer 123 is correspondingly arranged with gate metal layer 121；In semiconductor layer A patterned source drain layer 124 is formed on 123；In this way, then completing the thin film transistor (TFT) member on the substrate 11 of the present embodiment Part 12 makes.
Then, in stacking one first insulating layer, 13 thin-film transistor element on thin-film transistor element 12.In the present embodiment In, the first insulating layer 13 has three-decker, including sequentially stacked insulating layer 131, flatness layer 132 and another insulating layer 133.However, in other embodiments of the present invention, the first insulating layer 13 is not limited to include three-decker as shown in Figure 2.
Then, in forming a touching signals line layer including touching signals line 14 on the first insulating layer 13, absolutely then at first A second insulating layer 15 is formed in edge layer 13 and touching signals line 14.Then, forming one in second insulating layer 15 includes pixel electricity First transparency conducting layer of pole 16, by a contact hole 161 to be electrically connected with source drain layer 124, contact hole 161 is logical The first insulating layer 13 of patterning is crossed to form with second insulating layer 15.Then, third insulation is formed on the first transparency conducting layer Layer 17.Finally, second thoroughly in forming second transparency conducting layer 18 as touch control electrode and common electrode on third insulating layer 17 Bright conductive layer 18 is electrically connected by touch control electrode contact hole 1811 and touching signals line 14, wherein touch control electrode is with connecing Contact hole 1811 is to be formed by patterning second insulating layer 15 with third insulating layer 17.
In this present embodiment, made by its usable substrate material such as glass, plastics, flexible materials of substrate 11. Gate insulating layer 122, insulating layer 131, flatness layer 132, insulating layer 133, second insulating layer 15 and third insulating layer 17 can be used Such as oxide, nitride or the production of nitrogen oxides insulating layer material.Gate metal layer 121, source drain layer 124 and touch-control letter Conductive material can be used in number line 14, as metal, alloy, metal oxide, metal oxynitride or other electrode materials are made At.Amorphous silicon, low temperature polycrystalline silicon, IGZO or other materials with semiconductor property can be used in semiconductor layer 123.Pixel electricity Pole 16 and the second transparency conducting layer 18 may be used as made by the transparent conductive electrodes material such as ITO, IZO or ITZO.However, in In the other embodiment of the present invention, the material of aforementioned components is not limited to that.
Via above-mentioned technique, then the common electrode of the present embodiment is completed in touch control display device upper and that pixel electrode is under, Comprising: a substrate 11；One thin-film transistor element 12 is set on substrate 11；One first insulating layer 13 is set to thin film transistor (TFT) On element 12；One includes the touching signals line layer of touching signals line 14, is set to the first insulating layer 13；One second insulating layer 15, if In on touching signals line layer；One includes the first transparency conducting layer of pixel electrode 16, is set in second insulating layer 15；One third is exhausted Edge layer 17 is set on the first transparency conducting layer；And second transparency conducting layer 18 as touch control electrode and common electrode, it is set to On third insulating layer 17.Wherein, the thickness t1 of second insulating layer 15 and the thickness t2 of third insulating layer 17 can be respectively interposed in 10nm To between 1000nm.
In this present embodiment, the source drain layer 124 of thin-film transistor element 12 and pixel electrode 16 pass through pixel electricity Pole is electrically connected with contact hole 161.In addition, the second transparency conducting layer 18 then passes through a touch control electrode contact hole 1811 and touch-control Signal wire 14 is electrically connected.Furthermore the touching signals line 14 of touching signals line layer, source electrode or drain electrode with source drain layer 124 It is correspondingly arranged；More specifically, touching signals line 14 is Chong Die with source electrode or drain electrode, whereby, can avoid due to touching signals line 14 Sacrifice the penetrance of pixel unit.
Fig. 3 is the diagrammatic cross-section of the touch control display device of a comparative example of the invention.The touch-control of this comparative example, which is shown, to be set Standby production method is similar to embodiment shown in Fig. 2 to structure, in addition to following differences.
As shown in Figures 2 and 3, in the touch control display device of Fig. 3 comparative example, the first insulating layer 13 has double-layer structure, Including sequentially stacked insulating layer 131 and flatness layer 132；And this double-layer structure can also be applied to the first insulation of Fig. 2 embodiment On layer 13.
In addition, after forming the first insulating layer 13, being initially formed including pixel in the touch control display device of Fig. 3 comparative example First transparency conducting layer of electrode 16 then sequentially forms second insulating layer 15, the touching signals including touching signals line 14 again Line layer, third insulating layer 17 and the second transparency conducting layer 18 as touch control electrode and common electrode；However, in Fig. 2 embodiment It is then to be initially formed the touching signals line layer including touching signals line 14 after forming the first insulating layer 13 in touch control display device, Second insulating layer 15, the first transparency conducting layer including pixel electrode 16, third insulating layer 17 and second are then sequentially formed again Transparency conducting layer 18.
In the touch control display device of Fig. 3 comparative example, in order to avoid touching signals line 14 is led because being attached to the particle of top It causes touching signals line 14 to scratch and there is the risk of broken string to generate, the thickness t1 of third insulating layer 17 need to be increased to protect touching signals Line 14.However, the thickness t1 of this third insulating layer 17 increases, but will lead between pixel electrode 16 and the second transparency conducting layer 18 Electric field reduces and storage capacitors decline, and reduces the brightness and flicker level of display equipment；And in order to promote brightness, it is bound to The voltage difference between pixel electrode 16 and the second transparency conducting layer 18 must be increased, power consumption is caused to increase.
However, due to being initially formed touching signals line 14, then just forming picture in the touch control display device of Fig. 2 embodiment Plain electrode 16 (the first transparency conducting layer) and common electrode 182 (the second transparency conducting layer), therefore be laminated with above touching signals line 14 Second insulating layer 15 and third insulating layer 17, so that 14 overlying insulating layer overall thickness of touching signals line is that t1 adds t2；In this way, not Bitsoft not Zeng Jia third insulating layer 17 thickness t1, that is, can reach protection touching signals line 14 purpose, avoid touching signals line The problem of 14 broken string.
In addition, being only separated by between pixel electrode 16 and the second transparency conducting layer 18 in the touch control display device of Fig. 2 embodiment One third insulating layer 17, with a thickness of t2；But in the touch control display device of Fig. 3 comparative example, pixel electrode 16 transparent is led with second But it has been separated by second insulating layer 15 and third insulating layer 17 between electric layer 18, has added t2 with a thickness of t1.Therefore, compare compared to Fig. 3 The touch control display device of example is insulated between pixel electrode 16 and the second transparency conducting layer 18 in the touch control display device of Fig. 2 embodiment Layer overall thickness is smaller, therefore the storage capacitors between pixel electrode 16 and the second transparency conducting layer 18 are higher, without especially improving two Voltage difference between person can reach scheduled display brightness.
Furthermore in the touch control display device of Fig. 2 embodiment, it is separated by between touching signals line 14 and the second transparency conducting layer 18 Second insulating layer 15 and third insulating layer 17 add t2 with a thickness of t1；But in the touch control display device of Fig. 3 comparative example, touching Only it is separated by a third insulating layer 17 between control signal wire 14 and the second transparency conducting layer 18, with a thickness of t1.Therefore, compared to Fig. 3 ratio Compared with the touch control display device of example, because of touching signals line 14 and the second transparency conducting layer 18 in the touch control display device of Fig. 2 embodiment Between distance farther out, in the region (please referring to Fig. 1) that other are not provided with touch control electrode contact hole 1811, touching signals line can be reduced 14 and the second parasitic capacitance between transparency conducting layer 18.
Fig. 4 is the diagrammatic cross-section of the touch control display device of another embodiment of the present invention.The touch-control of the present embodiment is shown The production method of equipment is similar to embodiment shown in Fig. 2 to structure, in addition to following differences.
In the touch control display device of Fig. 2 embodiment be a common electrode in touch control display device upper and that pixel electrode is under, Wherein, the first transparency conducting layer includes pixel electrode 16, and the second transparency conducting layer is as touch control electrode and common electrode；But in figure The touch control display device of 4 embodiments is a pixel electrode in touch control display device upper and that common electrode is under, wherein first is transparent Conductive layer 19 is used as touch control electrode and common electrode, and the second transparency conducting layer includes pixel electrode 20.Therefore, in Fig. 4 embodiment Touch control display device in, the pixel electrode 20 of the second transparency conducting layer is leaked by pixel electrode contact hole 201 and source electrode Pole layer 124 is electrically connected.In addition, the first transparency conducting layer 19 passes through a touch control electrode contact hole 1911 and touching signals line 14 It is electrically connected.
Fig. 5 is the diagrammatic cross-section of the touch control display device of another comparative example of the invention.The touch-control of this comparative example is shown The production method of equipment is similar to embodiment shown in Fig. 4 to structure, in addition to following differences.
As shown in Figures 4 and 5, in the touch control display device of Fig. 5 comparative example, the first insulating layer 13 has double-layer structure, Including sequentially stacked insulating layer 131 and flatness layer 132；And this double-layer structure can also be applied to the first insulation of Fig. 4 embodiment On layer 13.
In addition, after forming the first insulating layer 13, being initially formed as touch-control in the touch control display device of Fig. 5 comparative example First transparency conducting layer 19 of electrode and common electrode then sequentially forms second insulating layer 15, including touching signals line 14 again Touching signals line layer, third insulating layer 17 and the second transparency conducting layer including pixel electrode 20；However, in Fig. 4 embodiment In touch control display device, after forming the first insulating layer 13, it is initially formed the touching signals line layer including touching signals line 14, then Sequentially form again second insulating layer 15, the first transparency conducting layer 19, third insulating layer 17 and including pixel electrode 20 second thoroughly Bright conductive layer.
In the touch control display device of Fig. 5 comparative example, in order to avoid touching signals line 14 is led because being attached to the particle of top It causes touching signals line 14 to scratch and there is the risk of broken string to generate, the thickness t1 of third insulating layer 17 need to be increased to protect touching signals Line 14.However, the thickness t1 of this third insulating layer 17 increases, but will lead to pixel electrode 20 and the first transparency conducting layer 19 away from From increase, that is to say, that interelectrode electric field can also weaken and reduce the brightness for showing equipment pixel electrode together；And in order to mention Brightness is risen, the voltage difference for being bound to increase between pixel electrode 20 and the first transparency conducting layer 19 causes power consumption to increase.
However, due to being initially formed touching signals line 14, then just being formed altogether in the touch control display device of Fig. 4 embodiment Electrode (the first transparency conducting layer 19) and pixel electrode 20 (the second transparency conducting layer), therefore the is laminated with above touching signals line 14 Two insulating layers 15 and third insulating layer 17, so that 14 overlying insulating layer overall thickness of touching signals line is that t1 adds t2；In this way, need not The thickness t1 for especially increasing third insulating layer 17, that is, can reach the purpose of protection touching signals line 14, avoid touching signals line 14 The problem of broken string.
In addition, in the touch control display device of Fig. 4 embodiment, pixel electrode 20 and common electrode (the first transparency conducting layer 19) Between be only separated by a third insulating layer 17, with a thickness of t1；But in the touch control display device of Fig. 5 comparative example, pixel electrode 20 is together But it has been separated by second insulating layer 15 and third insulating layer 17 between electrode (the first transparency conducting layer 19), has added t2 with a thickness of t1.Cause This, is compared to the touch control display device of Fig. 5 comparative example, pixel electrode 20 and common electrode in the touch control display device of Fig. 4 embodiment Insulating layer overall thickness is smaller between (the first transparency conducting layer 19), therefore between pixel electrode 20 and common electrode (the first transparency conducting layer 19) Storage capacitors it is higher, without especially improving voltage difference between the two, that is, can reach reservation place display brightness.
Fig. 6 is the timing diagram for being applied to the signal of touch control display device of the invention.For convenience of description, be in figure with S1~ Sn represents the most touch control electrode patterns 181 arranged with ranks, and indicates electrically to connect via touching signals line 14 with T1~Tn It is connected to the signal of touch control electrode S1~Sn, and wherein S1, S2, S3, S4... are the touch control electrode figures for indicating the 1st row (column) Case 181, as shown in fig. 6, the signal for being applied to touch control electrode pattern 181 is, for example, a square wave driving signal, for same a line The touching signals line 14 that touch control electrode pattern 181 (such as S1, S2, S3, S4...) is connected signal (such as T1, T2, T3, T4...), the touching signals line 14 that adjacent two touch control electrode patterns 181 (S1 and S2, S2 and S3, S3 and S4...) are connected The signal of (T1 and T2, T2 and T3, T3 and T4...) is reverse phase.It is, signal T1 and T2 are that synchronization changes together, but works as When signal T1 is high potential to low potential, signal T2 is then low potential to high potential；Similarly, signal T2 and T3 is to synchronize together Change, but when signal T2 is high potential to low potential, signal T3 is then low potential to high potential；Signal T3 and T4 are synchronous one It rises and changes, but when signal T3 is high potential to low potential, signal T4 is then low potential to high potential.And the signal of this reverse phase by It will cause decaying (distortion) in RC load signal, therefore practical touching signals line 14 and the touch control electrode pattern that is connected Signal on 181 is as shown in Figure 7.And when touch the capacitor of specific touch control electrode pattern 181 (the 82 or S3) corresponding region Shi Zaocheng/ Charge/signal changes, and then influences the signal on the touching signals line 14 that it is connected, and due to adjacent to touch control electrode pattern The signal for the touching signals line 14 that 181 two touch control electrode patterns 181 are connected is reverse phase, can make multiple touch control electrodes Pattern 181 is after being touched, capacitor coupling that the touching signals line 14 of connection generates the touch control electrode pattern 181 that is not connected Tool the effect of can offsetting is closed, reduces its touch-control for being connected of the touch control electrode pattern 181 (such as S1 and S4) that is not touched accordingly The variation of signal (T1 and T4) on signal wire 14, has as shown in figure 8, allowing and touching with the signal on the touching signals line 14 not touched More significant difference avoids touch location caused by vertical crosstalk from judging incorrectly.
Touch control display device obtained by present invention can be applied to any need known in the art On the electronic device for showing screen, as display, mobile phone, laptop, video camera, camera, music player, movement are led Boat device, TV etc. need to show on the electronic device of image.
It is only for the sake of illustration for above-described embodiment, and the interest field that the present invention is advocated certainly should be with right It is required that subject to described, not just the above examples.

Claims (6)

1. a kind of touch control display device characterized by comprising
One substrate；
One thin-film transistor element is set on the substrate；
One first insulating layer is set on the thin-film transistor element；
One touching signals line layer is set on first insulating layer；
One second insulating layer is set on the touching signals line layer；
One first transparency conducting layer is set in the second insulating layer；
One third insulating layer is set on first transparency conducting layer；And
One second transparency conducting layer is set on the third insulating layer；
Wherein the thin-film transistor element includes a source drain layer, and second transparency conducting layer by a pixel electrode with connecing Contact hole and the source drain layer are electrically connected.
2. touch control display device according to claim 1, wherein the touching signals line is Chong Die with the source electrode or the drain electrode.
3. touch control display device according to claim 1, wherein first transparency conducting layer includes multiple touch control electrode figures Case, and each touch control electrode pattern is electrically connected by a touch control electrode contact hole and the touching signals line layer.
4. touch control display device according to claim 1, wherein the source drain layer includes a source electrode and a drain electrode, the touching Controlling signal line layer includes a touching signals line, and the touching signals line is correspondingly arranged with the source electrode or the drain electrode.
5. touch control display device according to claim 1, wherein the thickness of the second insulating layer is between 10nm to 1000nm Between.
6. touch control display device according to claim 1, wherein the thickness of the third insulating layer is between 10nm to 1000nm Between.
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